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DIY Passenger Seat Occupancy Sensor

impee's DIY solution for Airbag Passenger Seat Occupancy Sensor for BMW 318i e46
How to fix the Passenger Seat Occupancy Sensor yourself!

Difficulty Level: Easy

Approximate Time For This Project: 5 mins

Prices: Professional labour costs for Airbag Passenger Occupancy Sensor replacement - £35 (private) or £165 (BMW) - per hour X 2 hours

 
 
REQUIRED ITEMS
items INFORMATION OUTLET QUANTITY PRICE*
Passenger Seat Occupancy Sensor Mat Price is only £80, but labour costs are alot higher BMW 0 £80
Airbag Passenger Seat Occupancy Sensor bypass module   eBay 1 £9 

*prices correct at time of publication

 
   
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Airbag Passenger Seat Occupancy Mat Sensor

The Airbag Passenger Seat Occupancy Mat Sensor (Part #11) is something that very often goes faulty. I happened to me a short while ago and I had it repaired from BMW at a total cost of £307 (£80 was for the part). Even if I were to take it to my own private mechanic, he didn't quote too much less either as it is apparently a time consuimg job. The worst thing is that 1.5 years later the same mat has become faulty again.

Airbag Passenger Seat Occupancy Mat Sensor

Photo Courtesy of RealOEM.com

Electronic parts bought from or fitted by BMW carry a 2 year warranty, so when I spoke to them, they said yes, it is covered under warranty, however there will be a £165 (1 hour labour charge) diagnosis charge to first assess what is wrong!

No way I am willing to throw away £165 every 1.5 years, so the other viable solution I found is a Passenger Seat Occupancy Mat Sensor bypass module. There are various such modules available on the market, and some apparently simply disable the air bag / suppress the fault light, and when you have an accident, the air bag will not deploy. I suppose many people use these for when they are selling their cars and want no fault lights showing.

The one I have found on eBay 'seems' t work differently, i.e. it permanently shows the passenger seat at occupied, so it will deploy even if no one is sitting there - which I don't mind, as at least it will work when the passenger is sitting.

Airbag Passenger Seat Occupancy Mat Sensor bypass Module

 

The below is the seller's video of the module that I bought and have used. I am unable to tell you if it works correctly, and I hope I never get to test it, but I thought I would write this little article about the Airbag Passenger Seat Occupancy Mat Sensor, in case you would prefer to opt for this bypass module as opposed to paying £307!






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DIY BMW e46 Airbag Passenger Seat Occupancy Sensor by - impee www.impee.co.uk

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